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1. Funny formation
，详情可参考搜狗输入法2026
Donald Trump's State of the Union address, sitting at one hour and 47 minutes, has been a main subject for late night hosts this week, from Stephen Colbert to Jimmy Kimmel.
换句话说，Anthropic 用 15 亿美元买到的，不只是和解，还有一份背书：我们可以继续这么做。有分析人士指出，随着这个先例确立，版权侵权对 AI 公司来说已经不再是一条红线，而是一笔可以提前计入成本的「过路费」。
Here's the insertion algorithm in Python. Step through the code and watch each line execute on the tree: